Author: Johnson, Norman E.

Source: Journal of Forestry, Volume 61, Number 6, 1 June 1963 , pp. 426-429(4)

Publisher: Society of American Foresters

Abstract:

Because of the long interval between time of damage and harvest, it becomes necessary to carefully analyze any control programs directed at ridding young trees of insects. The type, extent, and time of damage are considered in relation to financial return. The primary purpose of the paper is to provoke thought along these lines rather than to provide recipes for calculating economic alternatives.

Document Type: Journal article

Affiliations: 1: Forest Entomologist, Weyerhaeuser Company Forestry Research Center, Centralia, Wash.

Publication date: 1963-06-01

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